Home / 125,305.37-187,509.05-108,496.35

Finding the Fourth Proportional to 125,305.37, 187,509.05 and 108,496.35

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Solution

The fourth proportional to 125,305.37, 187,509.05 and 108,496.35 is: 162,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,305.37 : 187,509.05 = 108,496.35 : x
  2. Step 2: Convert to fraction form
    125,305.37/187,509.05 = 108,496.35/x
  3. Step 3: Cross multiply
    125,305.37x = 187,509.05 × 108,496.35
  4. Step 4: Simplify right side
    125,305.37x = 20,344,047,788.21
  5. Step 5: Solve for x
    x = 20,344,047,788.21/125,305.37
  6. Step 6: Final answer
    x = 162,355.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.